agricultural
agricultural area
agricultural land
agriculture
arable area
arable land
bulgaria
ecological
ecology
ecosystem
environment
environmental
europe
farming
farmland
field
fieldhusbandry
husbandry
landscape
nature
no one
no people
nobody
outdoor
ploughland
plowed field
plowing land
rural
rural area
rural district
rural economy
tillage
tilled soil
tilth
under crop